Table 1. Registers on entry to the exit routine| Register |
Content |
|---|
| 1 |
Address of the parameter list |
| 13 |
Address of standard 72-byte save area |
| 14 |
Return address of the caller |
| 15 |
Entry point address of the exit routine |
Note: The 72-byte save area is provided solely to enable
exit routines to save the registers on entry. Its contents are not
used by the Dynamic Exit Services nor by the exit.